Cam stopper



FIG. 1 is a perspective view of a cam stopper showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is an end elevational view thereof; and

FIG. 6 is an end elevational view thereof opposite to that shown in FIG. 5.

The side not shown is a mirror image of the side shown. 

The ornamental design for a cam stopper, substantially as shown and described. 